PRODUCTS > USB to RS-232 > Rack-mountable > USB-32COM-RM


Products Manual
  • USB-32COM-RM
  • USB-32COM-RM
  • USB-32COM-RM
  • USB-32COM-RM
USB-32COM-RM - 32-Port RS-232 USB-to-Serial Adapter, Metal Case, Rack-Mountable


  • Adds thirty two industrial RS-232 serial ports by connecting to a USB port

  • Installed as standard Windows COM port

  • SECC metal chassis with both DIN rail brackets and rack-mounting kits for flexible mounting

  • Full RS-232 modem control signals and hardware/software flow control

  • RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, GND

  • High speed serial port with the baud rate up to 921.6K bps

  • 128 byte transmit FIFO & 384 byte receive FIFO

  • Non-standard baudrates supported

  • LEDs of Power, TxD and RxD for easy port monitoring and diagnostics

  • Serial port protected with surge protection of 10KV

  • Built-in switching power supply of 100V~240V

  • Provides 32 pieces of RJ45-to-DB9 cable for serial connection

  • Easy plug and play installation and RS-232 device connection

  • COM port number assigned can be changed to any COM port number required

  • Works with USB 1.1 & 2.0 host port

  • Supports Windows 8, Windows 7, Vista, 2003, XP, 2000 and Linux

  • Supports Mac OS X 10.9 and above, This driver is signed by Apple

  • Standard 19-inch, 1U rackmount chassis


Compliance USB 1.1/2.0 compatible
Speed 480 Mbps, hi-speed USB
FIFO 128 byte transmit FIFO
384 receive FIFO
Serial Interface
Port Type RS-232
Number of Ports 32
Connectors RJ-45
32 pieces of RJ-45-to-DB9 cable, 150cm
Serial Line Protection
ESD Protection 10KV
Serial Port Speed
Baudrate 300 bps to 921.6k bps
Serial Communication Parameters
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF
Serial Signals
Driver Support
OS Windows 7, Vista, 2003, XP (WHQL certified) and 2000
Linux Kernel and up built-in support
Power Supply
Input Self-powered
Built-in AC to DC switching power supply with wide range of AC input from 100VAC to 240VAC
ChassisSECC metal chassis with DIN rail bracket
Rack-mounting brackets included
Operating Temperature 0 to 55 °C (32 to 131 °F)
Operating Humidity 5 to 95% RH
Storage Temperature -20 to 75 °C (-4 to 167 °F)
Safety Approvals CE, FCC

RJ-45 Connector Pin-outs

RS-232 Signal Pin-outs of RJ-45

  Pin Signal  
  1 RTS  
  2 DTR  
  3 GND  
  4 TxD  
  5 RxD  
  6 DCD  
  7 DSR  
  8 CTS  
RS-232 DB9 Male

RS-232 DB9 Male Connector Pin-outs

RS-232 Signal Pin-outs of DB-9 Male

  Pin Signal  
  1 DCD  
  2 RxD  
  3 TxD  
  4 DTR  
  5 GND  
  6 DSR  
  7 RTS  
  8 CTS